The slideshow shown during the TEG presentation by TennisSpeed, LLC founder Dr. Calvin Nii (titled “Increasing racket speed in high-performance tennis players using a novel speed-strengh training method”, "Incremento de la velocidad de raqueta en jugadores avanzados mediante el uso de una nueva metodologia para la mejora de la fuerza-velocidad") at the 2008 Tennis Education Group (TEG) in Playa de Mallorca, Spain, is now available for download in English and Spanish... More information
The slideshow shown during the presentation by TennisSpeed, LLC founder Dr. Calvin Nii (titled “New perspectives on speed training for high-performance tennis players”) at the 2007 ITA Coaches Convention is now available for download... More information
TS Foundation 4 lays the groundwork for supercharging your strokes and your game. TS Foundation 4 stimulates, activates and accelerates the muscles that produce 70 percent of your total serve and forehand swing speed... More information